Practise

Functions

windows -> sb16 stack This is
puts the images into a special gray level image stack
so that 'doit' will be able to make a similar stack of the principal component
(eigenvalue) images. This PCA routine (need references) mean centers the
(integer) data. The PC images and reconstructed images are also mean centered
- scale to byte
before writing a file for exporting to Image or Photoshop.